Where to Find Phosphorite in the United States
6 mapped phosphorite spots across 1 U.S. states. Phosphorite is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.
Map showing where to find phosphorite across the United States, with 6 mapped spots
Top states for phosphorite
States ranked by number of phosphorite spots in our database. States in bold link to a focused phosphorite-in-state list.
Every phosphorite spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Uinta Mountains | Daggett County |
| 40.8864, -109.2425 | Public |
| Uinta Mountains | Duchesne County |
| 40.5975, -110.1403 | Public |
| Crawford MountainsEast River Lane | Rich County |
| 41.6814, -111.0728 | Public |
| Laketown Canyon | Rich County |
| 41.8137, -111.3119 | Public |
| Woodruff Creek | Rich County |
| 41.4608, -111.3541 | Public |
| Brush CreekBrush Creek Road | Uintah County |
| 40.4866, -109.3885 | Public |
Phosphorite rockhounding FAQ
Where is the best place to find phosphorite in the U.S.?+
Utah have the highest concentrations of phosphorite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many phosphorite rockhounding spots does RockHoundR track?+
6 mapped spots across 1 states. The app keeps these on a map alongside your private finds.
Can I legally collect phosphorite on public land?+
Casual hand collecting of common rocks and minerals like phosphorite is allowed on most BLM and U.S. Forest Service land, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always check with the managing agency before a trip.
How do I identify phosphorite in the field?+
Field identification of phosphorite comes down to color, hardness, fracture, and luster. The RockHoundR app links to geology details for each spot to help narrow down what you might be picking up.
Hunt phosphorite on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
